⬆️ Bump multidict from 6.1.0 to 6.4.3

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.1.0 to 6.4.3.
- [Release notes](https://github.com/aio-libs/multidict/releases)
- [Changelog](https://github.com/aio-libs/multidict/blob/master/CHANGES.rst)
- [Commits](aio-libs/multidict@v6.1.0...v6.4.3)

---
updated-dependencies:
- dependency-name: multidict
  dependency-version: 6.4.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -8,7 +8,7 @@ charset-normalizer==3.4.1 ; python_version >= "3.9" and python_version < "4.0"
 frozenlist==1.5.0 ; python_version >= "3.9" and python_version < "4.0"
 idna==3.10 ; python_version >= "3.9" and python_version < "4.0"
 msgspec==0.18.6 ; python_version >= "3.9" and python_version < "4.0"
-multidict==6.1.0 ; python_version >= "3.9" and python_version < "4.0"
+multidict==6.4.3 ; python_version >= "3.9" and python_version < "4.0"
 pillow==10.4.0 ; python_version >= "3.9" and python_version < "4.0"
 propcache==0.2.1 ; python_version >= "3.9" and python_version < "4.0"
 requests==2.32.3 ; python_version >= "3.9" and python_version < "4.0"